<!DOCTYPE html>
<html>
<head>
    <title>uploadimg.html</title>

    <meta name="keywords" content="keyword1,keyword2,keyword3"></meta>
    <meta name="description" content="this is my page"></meta>
    <meta name="content-type" content="text/html; charset=UTF-8"></meta>

    <!--<link rel="stylesheet" type="text/css" href="./styles.css">-->

</head>
<script  type="text/javascript">
    var issubmit=false;
    function dosubmit(){
        if(issubmit==false){
            issubmit=true;
            return true;
        }else{
            return false;
        }

    }
</script>
<body>
<h3>wj12</h3>
<form enctype="multipart/form-data" method="post" action="/upload" onsubmit="return dosubmit()" >
    <table>
        <tr><td>原型图:  </td><td><input type="file" name="file" accept=".zip"/></td></tr>
        <tr><td></td><td> <input  type="submit" value="更新" /></td></tr>
    </table>

</form>
</body>
</html>